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Makrolon? 1952

Manufacturer: Covestro
Produced At: Europe / China
Product Category: Polycarbonate（PC）
Product No: Makrolon 1952
Product Quantity: 25KG / BAG
Product Features: Good Mold Release，Medium Viscosity

Product information

Makrolon? 1952

Polycarbonate

Covestro - Polycarbonates

Product Description:

MVR (300 °C/1.2 kg) 10 cm3/10 min; flame retardant; UL 94V-0/2.3 mm; medium viscosity; UV stabilized; easy release; injection molding - melt temperature 280 - 320 °C; available in translucent and opaque colors; LCD notebook cover

Additive	Flame Retardant，UV Stabilizer
Features	Flame Retardant，Good Mold Release，Medium Viscosity
Uses	Computer Components
RoHS Compliance	RoHS Compliant
Appearance	Colors Available，Opaque，Translucent
Processing Method	Injection Molding

Physical	Nominal Value	Unit	Test Method
Density (73°F)	1.20	g/cm3	ISO 1183
Apparent (Bulk) Density 2	0.64	g/cm3	ISO 60
Melt Mass-Flow Rate (MFR) (300°C/1.2 kg)	10	g/10 min	ISO 1133
Melt Volume-Flow Rate (MVR) (300°C/1.2 kg)	0.610	in3/10min	ISO 1133
Molding Shrinkage
Across Flow	0.60 to 0.80	%	ISO 2577
Flow	0.60 to 0.80	%	ISO 2577
Across Flow : 0.0787 in 3	0.70	%	ISO 294-4
Flow : 0.0787 in 3	0.65	%	ISO 294-4
Water Absorption			ISO 62
Saturation, 73°F	0.30	%
Equilibrium, 73°F, 50% RH	0.12	%
Hardness	Nominal Value	Unit	Test Method
Ball Indentation Hardness	16700	psi	ISO 2039-1

Mechanical	Nominal Value	Unit	Test Method
Tensile Modulus (73°F)	348000	psi	ISO 527-2/1
Tensile Stress			ISO 527-2/50
Yield, 73°F	9570	psi
Break, 73°F	10200	psi
Tensile Strain			ISO 527-2/50
Yield, 73°F	6.1	%
Break, 73°F	130	%
Nominal Tensile Strain at Break (73°F)	> 50	%	ISO 527-2/50
Tensile Creep Modulus			ISO 899-1
1 hr	319000	psi
1000 hr	276000	psi
Flexural Modulus 4 (73°F)	348000	psi	ISO 178
Flexural Stress 4			ISO 178
73°F	14400	psi
3.5% Strain, 73°F	10900	psi
Flexural Strain at Flexural Strength 5 (73°F)	7.0	%	ISO 178
Films	Nominal Value	Unit	Test Method
Water Vapor Transmission Rate (73°F, 85% RH, 3.9 mil)	0.97	g/100 in2/24 hr	ISO 15106-1
Gas Permeation			ISO 2556
Carbon Dioxide : 73°F, 1.0 mil	16900	cm3/m2/bar/24 hr
Carbon Dioxide : 73°F, 3.9 mil	3800	cm3/m2/bar/24 hr
Nitrogen : 73°F, 1.0 mil	510	cm3/m2/bar/24 hr
Nitrogen : 73°F, 3.9 mil	120	cm3/m2/bar/24 hr
Oxygen : 73°F, 1.0 mil	2760	cm3/m2/bar/24 hr
Oxygen : 73°F, 3.9 mil	650	cm3/m2/bar/24 hr
Impact	Nominal Value	Unit	Test Method
Charpy Notched Impact Strength 6			ISO 7391
-22°F, Complete Break	6.7	ft·lb/in2
73°F, Partial Break	33	ft·lb/in2
Charpy Unnotched Impact Strength			ISO 179/1eU
-22°F	No Break
73°F	No Break
Notched Izod Impact Strength 7			ISO 7391
-22°F, Complete Break	5.7	ft·lb/in2
73°F, Partial Break	31	ft·lb/in2
Multi-Axial Instrumented Impact Energy			ISO 6603-2
-22°F	47.9	ft·lb
73°F	44.3	ft·lb
Multi-Axial Instrumented Impact Peak Force			ISO 6603-2
-22°F	1420	lbf
73°F	1210	lbf

Thermal	Nominal Value	Unit	Test Method
Heat Deflection Temperature
66 psi, Unannealed	277	°F	ISO 75-2/B
264 psi, Unannealed	255	°F	ISO 75-2/A
Glass Transition Temperature 8	291	°F	ISO 11357-2
Vicat Softening Temperature
--	289	°F	ISO 306/B50
--	291	°F	ISO 306/B120
Ball Pressure Test (275°F)	Pass		IEC 60695-10-2
CLTE			ISO 11359-2
Flow : 73 to 131°F	3.6E-5	in/in/°F
Transverse : 73 to 131°F	3.6E-5	in/in/°F
Thermal Conductivity 9 (73°F)	1.4	Btu·in/hr/ft2/°F	ISO 8302

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